Previous Image Next Image IMG_0476 Large-flowered Trillium (Trillium grandiflorum). An impressive white flower with three petals–as the name suggests. This trillium has the largest and most conspicuous flower. Sewickley Heights Boro Park, PA, April, 2016. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)MoreClick to email this to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...